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2. A semiconductor device comprising: an active layer, wherein the active layer comprises the p-type oxide according to claim 1 .
3. The semiconductor device according to claim 2 , further comprising: a first electrode; and a second electrode, wherein the semiconductor device is a diode in which the active layer is formed between the first electrode and the second electrode.
4. The semiconductor device according to claim 2 , further comprising: a gate electrode; a source electrode and a drain electrode; and a gate insulating layer, wherein the semiconductor device is a field-effect transistor in which the active layer is formed between the source electrode and the drain electrode, and the gate insulating layer is formed between the gate electrode and the active layer.
5. A display device comprising: a light control device configured to control output of light based on a driving signal; and a driving circuit containing the semiconductor device according to claim 2 and configured to drive the light control device.
6. The display device according to claim 5 , wherein the light control device comprises an organic electroluminescence device or an electrochromic device.
A display device includes a light control device configured to adjust the transmittance of light passing through a display panel. The light control device can be an organic electroluminescence (OLED) device or an electrochromic device. The OLED device emits light when an electric current is applied, allowing for dynamic control of brightness and contrast. The electrochromic device changes its optical properties in response to an electric field, enabling adjustable transparency or coloration. The display device may also include a light source positioned behind the display panel to enhance visibility under varying ambient light conditions. The light control device modulates the light from the source to optimize display performance, such as improving contrast or reducing glare. This technology addresses challenges in display visibility and energy efficiency by dynamically adjusting light transmission based on environmental conditions or user preferences. The use of OLED or electrochromic materials provides flexibility in design and functionality, making the display adaptable for various applications, including smart windows, augmented reality devices, and high-contrast displays.
7. The display device according to claim 5 , wherein the light control device comprises a liquid crystal device, an electrophoretic device, or an electrowetting device.
8. An image display apparatus, comprising: a plurality of display devices arranged in a matrix form, wherein each display device amongst the plurality of display devices contains a field-effect transistor and is configured according to claim 5 ; a plurality of wirings configured to individually apply gate voltage and signal voltage to the field-effect transistors of the display devices; and a display control apparatus configured to individually control the gate voltage and the signal voltage in the field-effect transistors via the wirings based on image data, wherein the image display apparatus is configured to display an image based on the image data.
9. A system comprising: the image display apparatus according to claim 8 ; and an image data generation apparatus configured to generate image data based on image information to be displayed, and output the image data to the image display apparatus.
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February 16, 2021
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